• Coherency

Posted: **Thu Jul 06, 2023 10:24 am**

Coherency - A measure of linearity between two signals.

$\gamma^2(f) = \frac{\vert G_{xy}(f)\vert^2}{(G_{xx}(f) G_{yy}(f))} \\ \\ G_{xy} = CSD\: of \:two \:signals\:x\:and\:y \\ G_{xx} = PSD\:of\:signal\:x \\ G_{yy} = PSD\: of \:signal\:y$